/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: xiaotutu
 * Date: 2024-06-07
 * Time: 21:06
 */
public class SingleList {
    static class ListNode {
        public int val;
        public ListNode next;

        public ListNode (int val) {
            this.val = val;
        }

    }
    public ListNode head;
}
